(2) Conformance of construction of structures, systems, and components with the design.

(3) Results of research programs carried out to confirm the adequacy of designs.

(4) Other information bearing on the Commission's issuance of a license that was not available at the time a construction
authorization was issued.

(c) The DOE shall supplement its environmental impact statement in a timely manner so as to take into account the
environmental impacts of any substantial changes in its proposed actions or any significant new circumstances or
information relevant to environmental concerns and bearing on the proposed action or its impacts.